Effects of growth factor treatment on size and number of neurospheres
| EGF | FGF-2 | EGF + FGF-2 | |
|---|---|---|---|
| Small | 85.0 ± 17.0 | 110.4 ± 17.8 | 162.1 ± 33.6 |
| Medium | 11.2 ± 3.1 | 41.2 ± 9.3 | 44.5 ± 6.0 |
| Large | 2.1 ± 0.9 | 4.2 ± 1.0 | 12.4 ± 2.3 |
| Total no. | 98.6 ± 18.9 | 155.8 ± 0.8 | 219.0 ± 38.9 |
Cells were grown for 6 d in vitro in the presence of the indicated growth factors. Values represent means ± SEM of counts obtained from eight different experiments.